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Which of the following best describes the structure of lipid bilayer? Select the correct answer below....
Which of the following would produce the most fluid lipid bilayer? O phospholipids with tails of...
Which of the following would produce the most fluid lipid bilayer? O phospholipids with tails of 26 carbon atoms and two double bonds O phospholipids with fully saturated tails of 20 carbon atoms O large amounts of cholesterol O phospholipids with tails of 20 carbon atoms and two double bonds o phospholipids with fully saturated tails of 24 carbon atoms Which of the following can influence the rate at which a molecule will move across a lipid bilayer? (Check all...
A cell membrane consists of a lipid bilayer, which is a double layer of phospholipids. Each...
A cell membrane consists of a lipid bilayer, which is a double layer of phospholipids. Each phospholipid has a hydrophilic phosphate head and a hydrophobic lipid tail. These phospholipids are not chemically bound to one another, but rather maintain their structure due to the fact that the lipid tails do not like water. They're hydrophobic^2. If they all buddy up, then they can all stay dry. (See figure.) One way to deal with this quantitatively is to realize that there...
Which of the below molecules would be expected to be membrane permeable and freely pass through a lipid bilayer? Select...
Which of the below molecules would be expected to be membrane
permeable and freely pass through a lipid bilayer?
Select all that apply
Which of the below molecules would be expected to be membrane permeable and freely pass through a lipid bilayer? Select all that apply. O=C=0 Nat NEN K+ * H-C-OH Ο Ι Ι HHHHHH
ReviewI Constants| Perioo Part A Which of the following has a structure similar to a lipid bilaye...
Not A or C.
ReviewI Constants| Perioo Part A Which of the following has a structure similar to a lipid bilayer? O peripheral proteins liposomes integral proteins cholesterol glycoproteins Submit Incorrect Try Again; 4 attempts remaining
ReviewI Constants| Perioo Part A Which of the following has a structure similar to a lipid bilayer? O peripheral proteins liposomes integral proteins cholesterol glycoproteins Submit Incorrect Try Again; 4 attempts remaining
1.) Which of the following statement best describes how bacteria in a hot spring control the...
1.) Which of the following statement best describes how bacteria in a hot spring control the fluidity of their plasma membrane? They decrease the percentage of lipids with unsaturated hydrocarbon chains in their plasma membrane Because they don't synthesize cholesterol, they cannot control membrane fluidity and therefore have a very fluid plasma membrane. They use cholesterol to prevent membranes from becoming too fluid. They form lipid rafts to prevent too much fluidity They increase the percentage of lipids with unsaturated...
3. Based on the structure to the right what type of lipid would this figure below...
3. Based on the structure to the right what type of lipid would
this figure below be characterized as?
a. Is this lipid more likely to move laterally 200 Å in
the
bilayer or to move 50 Å in a transverse direction (through the
bilayer) from one leaflet to another? Why?
b. You treat this lipid with phospholipase A2 to remove the
fatty acid at position C2. You then place the extracted fatty acid
into a non-polar solvent. What type...
Chapter Cellular Structure and Function Wor which consist of fatty acids and alcohol. The phos- The...
Chapter Cellular Structure and Function Wor which consist of fatty acids and alcohol. The phos- The plasma membrane composed mainly of phospholipids, d bilayer As shown in the figure and the tails pholipids in the plasma membrane are tails. bead "loves" water the head and two the membrane. whereas below, each a on the interior of ne cell because water aydophobic). The water-hating tails are tars are hand, point outwards, either the cytoplusm or dhe nuid surrounds if they the...
Which of the following substances can easily pass directly through the lipid portion of the bilayer...
Which of the following substances can easily pass directly through the lipid portion of the bilayer unassisted? Select all that apply! a. ions b. water c. steroid hormones d. gases e. large biomolecules
Which best describes the dipole-dipole attractions? They are specifically the interaction between: Select the correct answer...
Which best describes the dipole-dipole attractions? They are specifically the interaction between: Select the correct answer below: O two formal, or permanent, dipoles an instantaneous dipole and a formal dipole O two temporary dipoles O none of the above In order to know the total pressure of gas collected over water, we need to know: Select the correct answer below: O pressure of the water vapor O pressure of the pure gas both A and B neither A or B...
3. Answer the following multiple-choice questions. (60 points) I. Which word best describes the relationship between...
3. Answer the following multiple-choice questions. (60 points) I. Which word best describes the relationship between these molecules? CH3 a) enantiomers b) diastereomers c) constitutional d) geometric sama molecule which word best describes the relationship between these molecules? d) geometric same molecule III. Which word best describes the relationship between these molecules? d) geometric ) same moleaule a) enantiomersb) diastereomers constitutional IV, which word best describes the relationship between these molecules? d) geometric e) same molecule a) enantiomers b diastereoners...
Which of the following would produce the most fluid lipid bilayer? O phospholipids with tails of 26 carbon atoms and two double bonds O phospholipids with fully saturated tails of 20 carbon atoms O large amounts of cholesterol O phospholipids with tails of 20 carbon atoms and two double bonds o phospholipids with fully saturated tails of 24 carbon atoms Which of the following can influence the rate at which a molecule will move across a lipid bilayer? (Check all...
A cell membrane consists of a lipid bilayer, which is a double layer of phospholipids. Each phospholipid has a hydrophilic phosphate head and a hydrophobic lipid tail. These phospholipids are not chemically bound to one another, but rather maintain their structure due to the fact that the lipid tails do not like water. They're hydrophobic^2. If they all buddy up, then they can all stay dry. (See figure.) One way to deal with this quantitatively is to realize that there...
Which of the below molecules would be expected to be membrane
permeable and freely pass through a lipid bilayer?
Select all that apply
Which of the below molecules would be expected to be membrane permeable and freely pass through a lipid bilayer? Select all that apply. O=C=0 Nat NEN K+ * H-C-OH Ο Ι Ι HHHHHH
Not A or C.
ReviewI Constants| Perioo Part A Which of the following has a structure similar to a lipid bilayer? O peripheral proteins liposomes integral proteins cholesterol glycoproteins Submit Incorrect Try Again; 4 attempts remaining
ReviewI Constants| Perioo Part A Which of the following has a structure similar to a lipid bilayer? O peripheral proteins liposomes integral proteins cholesterol glycoproteins Submit Incorrect Try Again; 4 attempts remaining
3. Based on the structure to the right what type of lipid would
this figure below be characterized as?
a. Is this lipid more likely to move laterally 200 Å in
the
bilayer or to move 50 Å in a transverse direction (through the
bilayer) from one leaflet to another? Why?
b. You treat this lipid with phospholipase A2 to remove the
fatty acid at position C2. You then place the extracted fatty acid
into a non-polar solvent. What type...
Chapter Cellular Structure and Function Wor which consist of fatty acids and alcohol. The phos- The plasma membrane composed mainly of phospholipids, d bilayer As shown in the figure and the tails pholipids in the plasma membrane are tails. bead "loves" water the head and two the membrane. whereas below, each a on the interior of ne cell because water aydophobic). The water-hating tails are tars are hand, point outwards, either the cytoplusm or dhe nuid surrounds if they the...
Which best describes the dipole-dipole attractions? They are specifically the interaction between: Select the correct answer below: O two formal, or permanent, dipoles an instantaneous dipole and a formal dipole O two temporary dipoles O none of the above In order to know the total pressure of gas collected over water, we need to know: Select the correct answer below: O pressure of the water vapor O pressure of the pure gas both A and B neither A or B...
3. Answer the following multiple-choice questions. (60 points) I. Which word best describes the relationship between these molecules? CH3 a) enantiomers b) diastereomers c) constitutional d) geometric sama molecule which word best describes the relationship between these molecules? d) geometric same molecule III. Which word best describes the relationship between these molecules? d) geometric ) same moleaule a) enantiomersb) diastereomers constitutional IV, which word best describes the relationship between these molecules? d) geometric e) same molecule a) enantiomers b diastereoners...
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